Commit | Line | Data |
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8be969b3 MA |
1 | /* |
2 | TDA8261 8PSK/QPSK tuner driver | |
3 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | */ | |
19 | ||
20 | static int tda8261_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
21 | { | |
22 | struct dvb_frontend_ops *frontend_ops = NULL; | |
23 | struct dvb_tuner_ops *tuner_ops = NULL; | |
24 | struct tuner_state t_state; | |
25 | int err = 0; | |
26 | ||
27 | if (&fe->ops) | |
28 | frontend_ops = &fe->ops; | |
29 | if (&frontend_ops->tuner_ops) | |
30 | tuner_ops = &frontend_ops->tuner_ops; | |
31 | if (tuner_ops->get_state) { | |
32 | if ((err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &t_state)) < 0) { | |
33 | printk("%s: Invalid parameter\n", __func__); | |
34 | return err; | |
35 | } | |
36 | *frequency = t_state.frequency; | |
37 | printk("%s: Frequency=%d\n", __func__, t_state.frequency); | |
38 | } | |
39 | return 0; | |
40 | } | |
41 | ||
42 | static int tda8261_set_frequency(struct dvb_frontend *fe, u32 frequency) | |
43 | { | |
44 | struct dvb_frontend_ops *frontend_ops = NULL; | |
45 | struct dvb_tuner_ops *tuner_ops = NULL; | |
46 | struct tuner_state t_state; | |
47 | int err = 0; | |
48 | ||
49 | t_state.frequency = frequency; | |
50 | if (&fe->ops) | |
51 | frontend_ops = &fe->ops; | |
52 | if (&frontend_ops->tuner_ops) | |
53 | tuner_ops = &frontend_ops->tuner_ops; | |
54 | if (tuner_ops->set_state) { | |
55 | if ((err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &t_state)) < 0) { | |
56 | printk("%s: Invalid parameter\n", __func__); | |
57 | return err; | |
58 | } | |
59 | } | |
60 | printk("%s: Frequency=%d\n", __func__, t_state.frequency); | |
61 | return 0; | |
62 | } | |
63 | ||
64 | static int tda8261_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
65 | { | |
66 | struct dvb_frontend_ops *frontend_ops = &fe->ops; | |
67 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
68 | struct tuner_state t_state; | |
69 | int err = 0; | |
70 | ||
71 | if (&fe->ops) | |
72 | frontend_ops = &fe->ops; | |
73 | if (&frontend_ops->tuner_ops) | |
74 | tuner_ops = &frontend_ops->tuner_ops; | |
75 | if (tuner_ops->get_state) { | |
76 | if ((err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &t_state)) < 0) { | |
77 | printk("%s: Invalid parameter\n", __func__); | |
78 | return err; | |
79 | } | |
80 | *bandwidth = t_state.bandwidth; | |
81 | } | |
82 | printk("%s: Bandwidth=%d\n", __func__, t_state.bandwidth); | |
83 | return 0; | |
84 | } |